Mate in two is lesson 3 of 9 in Mating patterns II, a checkmate course suited to players rated around 1100 (improving players). Two-move mates: a forcing first move, often a check or a sacrifice, leaves the king without a defence. It has 6 interactive exercises: 6 calculated lines from real positions. You play every move on a board and get feedback straight away. The lesson is free.
What you practise
White to move: mate in 2. (4 positions)
Black to move: mate in 2. (2 positions)
Worked examples
White to move: mate in 2. 1.Bc6+ Bd7 2.Qxd7#. Every move was forcing: the king never had time to escape. Mate in 2.
Black to move: mate in 2. 1...Bf2+ 2.Kh2 Qg3#. Every move was forcing: the king never had time to escape. Mate in 2.